@import "./mixins/mixins.scss";
@import './common/var.scss';

@include b(header) {
      box-sizing: border-box;
      padding: $--header-padding;
    //使用flex布局时,容器内的子元素会被等比例压缩,如果希望某些组件不被压缩M,则设置flex-shrink:0   
      flex-shrink: 0;
}
